179663540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3299}}^1$

素因数の和:3704

約数の個数: 48

約数和(自身を含む): 432432000

約数和(自身を除く): 252768460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3299, 3890, 5446, 6598, 7780, 10892, 13196, 13615, 16495, 23093, 27230, 32990, 46186, 54460, 65980, 92372, 115465, 230930, 461860, 1283311, 2566622, 5133244, 6416555, 8983177, 12833110, 17966354, 25666220, 35932708, 44915885, 89831770, 179663540]

約数ペア:

[(1, 179663540), (2, 89831770), (4, 44915885), (5, 35932708), (7, 25666220), (10, 17966354), (14, 12833110), (20, 8983177), (28, 6416555), (35, 5133244), (70, 2566622), (140, 1283311), (389, 461860), (778, 230930), (1556, 115465), (1945, 92372), (2723, 65980), (3299, 54460), (3890, 46186), (5446, 32990), (6598, 27230), (7780, 23093), (10892, 16495), (13196, 13615)]